R-4360 engines on a PBY-5A

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R-4360 engines on a PBY-5A

Post by Jacobcullen » 09 Mar 2019, 12:32

Ok so hear me out. Let's just say I stumbled upon a pair of R-4360 B6 Wasp Major engines that were in really good shape. And let's also say I own a PBY-5A Catalina (my dream plane I want to own). Would it be possible to put the R-4360s on the PBY or would it shake itself apart from too much torque?

I know many of the civilian PBYs have R-2600 radials in them instead of the R-1830s. I also know the the R-2600s only produce 1750hp max compared to the whopping 3500hp produced by the R-4360 B6 engines.

This is all a theoretical question for shits and gigglesNox VidMate Mobdro
Last edited by Jacobcullen on 17 Mar 2019, 20:44, edited 1 time in total.

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Re: R-4360 engines on a PBY-5A

Post by jan_olieslagers » 10 Mar 2019, 16:31

A bit of a queer question, especially on this "aviation" forum - where perhaps not all have heard of a PBY...

My main concern would be the extra weight of the 4360's - quite substantially more. What payload margin would remain on the poor Catalina airframe? Sufficient fuel for take-off and a single circuit, perhaps, with due reserves, and all that at substantially increased fuel flow? If the crew are not (US-average) plus size ;) ?

No worries about surplus power/torque: the revised airworthiness documents will tell max. rpm in various phases of flight. Less rpm will bring less torque, less power, no worries there. Bit of self-discipline required, though, on the pilot(s); but most are very good at that, actually they are tested at each renewal of license.

Keep us posted of progress (if any)!

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Re: R-4360 engines on a PBY-5A

Post by smithclarkson01 » 25 Mar 2019, 20:39

But with such large wings you could generate a considerable amount of lift still. As for the tail you might lose a lot of authority unless theres a large boost to control systems.

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Last edited by smithclarkson01 on 03 May 2019, 21:15, edited 2 times in total.

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Re: R-4360 engines on a PBY-5A

Post by seoking » 09 Apr 2019, 15:38

If you're willing to redesign and build all new structures for it sure, but it would be a ridiculous overcompensation.

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Re: R-4360 engines on a PBY-5A

Post by tocnaza » 13 Apr 2019, 11:06

I've always thought it would be cool to own a piece of history like the PBY-5, and I'd rather not buy a Chinese plane when I could buy the Russian or American plane they copied.

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